body,h1,h2,h3,h4,h4,p,dl,dd,ol,li,ul,div,a{
	margin:0;
	padding:0;
	box-sizing:border-box;
}
ul,li,ol{
	list-style: none;
}
a{
	text-decoration:none;
	color:#000;
}
img{
	display:block;
}